Vulnerability in Microsoft Windows
CVE-2022-40139
Improper validation of some components used by the rollback mechanism in Trend Micro Apex One and Trend Micro Apex One as a Service clients could allow a Apex One server administrator to instruct affected clients to download an unverified…
EPSS: 0.028 (85.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Microsoft Windows
- Trend Micro Apex One — versions 2019 (on-prem) and SaaS
- Trendmicro Apex_one — versions 2019
CISA KEV (Known Exploited Vulnerabilities)
This CVE is on the CISA KEV catalog, added on . CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.
BOD 22-01 due date: .
Required action: Apply updates per vendor instructions.
Public proof-of-concept exploits
References
- security@trendmicro.com (Patch, x_refsource_MISC, Vendor Advisory)
- 134c704f-9b21-4f2e-91b3-4a467353bcc0 (US Government Resource)
Frequently asked questions
- What is CVE-2022-40139?
- CVE-2022-40139 is a high-severity vulnerability in Microsoft Windows. CVSS score: 7.2/10. Published 2022-09-19.
- How severe is CVE-2022-40139?
- High severity. CVSS v3 base score is 7.2 out of 10.
- Is CVE-2022-40139 known to be exploited?
- Yes. CVE-2022-40139 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-09-15), indicating it is being actively exploited. 3 public proof-of-concept repositories are indexed.